.NET Information Disclosure Vulnerability

MEDIO 5.9CVE-2022-34716 · BIT-dotnet-2022-34716 · BIT-dotnet-sdk-2022-34716 · Published 09/08/2022 · updated 17/06/2026

En resumen

CVE-2022-34716 es una vulnerabilidad MEDIO (CVSS 5.9) que afecta a Microsoft.AspNetCore.App.Runtime.linux-arm, Microsoft.AspNetCore.App.Runtime.linux-arm64, Microsoft.AspNetCore.App.Runtime.linux-musl-arm.
Probabilidad de explotación en los próximos 30 días (EPSS): 2.5%, mayor que el 84.7% de las vulnerabilidades.
Solución: actualizar a 3.1.28, 6.0.8, 6.0.1, 4.7.1 o posterior.

Package	Affected versions	Patched versions
Microsoft.AspNetCore.App.Runtime.linux-arm NuGet	`≥ 3.1.0, < 3.1.28≥ 6.0.0, < 6.0.8`	`3.1.286.0.8`
Microsoft.AspNetCore.App.Runtime.linux-arm64 NuGet	`≥ 3.1.0, < 3.1.28≥ 6.0.0, < 6.0.8`	`3.1.286.0.8`
Microsoft.AspNetCore.App.Runtime.linux-musl-arm NuGet	`≥ 3.1.0, < 3.1.28≥ 6.0.0, < 6.0.8`	`3.1.286.0.8`
Microsoft.AspNetCore.App.Runtime.linux-musl-arm64 NuGet	`≥ 3.1.0, < 3.1.28≥ 6.0.0, < 6.0.8`	`3.1.286.0.8`
Microsoft.AspNetCore.App.Runtime.linux-musl-x64 NuGet	`≥ 3.1.0, < 3.1.28≥ 6.0.0, < 6.0.8`	`3.1.286.0.8`
Microsoft.AspNetCore.App.Runtime.linux-x64 NuGet	`≥ 3.1.0, < 3.1.28≥ 6.0.0, < 6.0.8`	`3.1.286.0.8`
Microsoft.AspNetCore.App.Runtime.osx-arm64 NuGet	`≥ 6.0.0, < 6.0.8`	`6.0.8`
Microsoft.AspNetCore.App.Runtime.osx-x64 NuGet	`≥ 3.1.0, < 3.1.28≥ 6.0.0, < 6.0.8`	`3.1.286.0.8`
Microsoft.AspNetCore.App.Runtime.win-arm NuGet	`≥ 3.1.0, < 3.1.28≥ 6.0.0, < 6.0.8`	`3.1.286.0.8`
Microsoft.AspNetCore.App.Runtime.win-arm64 NuGet	`≥ 3.1.0, < 3.1.28≥ 6.0.0, < 6.0.8`	`3.1.286.0.8`
Microsoft.AspNetCore.App.Runtime.win-x64 NuGet	`≥ 3.1.0, < 3.1.28≥ 6.0.0, < 6.0.8`	`3.1.286.0.8`
Microsoft.AspNetCore.App.Runtime.win-x86 NuGet	`≥ 3.1.0, < 3.1.28≥ 6.0.0, < 6.0.8`	`3.1.286.0.8`
System.Security.Cryptography.Xml NuGet	`≥ 5.0.0, < 6.0.1< 4.7.1`	`6.0.14.7.1`
.net microsoft	`≥ 6.0.0, < 6.0.8`	`6.0.8`
.net core microsoft	`≥ 3.1, < 3.1.28`	`3.1.28`
powershell microsoft	`≥ 7.0, < 7.0.12≥ 7.2, < 7.2.6`	`7.0.127.2.6`

Description

Microsoft is releasing this security advisory to provide information about a vulnerability in .NET Core 3.1 and .NET 6.0. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability.

An information disclosure vulnerability exists in .NET Core 3.1 and .NET 6.0 that could lead to unauthorized access of privileged information.

<a name="affected-software"></a>Affected software

Any .NET 6.0 application running on .NET 6.0.7 or earlier.
Any .NET Core 3.1 applicaiton running on .NET Core 3.1.27 or earlier.

If your application uses the following package versions, ensure you update to the latest version of .NET.

<a name=".NET Core 3.1"></a>.NET Core 3.1

Package name	Affected version	Patched version
System.Security.Cryptography.Xml	<=4.7.0	4.7.1
Microsoft.AspNetCore.App.Runtime.win-x64	>=3.1.0, 3.1.27	3.1.28
Microsoft.AspNetCore.App.Runtime.linux-x64	>=3.1.0, 3.1.27	3.1.28
Microsoft.AspNetCore.App.Runtime.win-x86	>=3.1.0, 3.1.27	3.1.28
Microsoft.AspNetCore.App.Runtime.osx-x64	>=3.1.0, 3.1.27	3.1.28
Microsoft.AspNetCore.App.Runtime.linux-musl-x64	>=3.1.0, 3.1.27	3.1.28
Microsoft.AspNetCore.App.Runtime.linux-arm64	>=3.1.0, 3.1.27	3.1.28
Microsoft.AspNetCore.App.Runtime.linux-arm	>=3.1.0, 3.1.27	3.1.28
Microsoft.AspNetCore.App.Runtime.win-arm64	>=3.1.0, 3.1.27	3.1.28
Microsoft.AspNetCore.App.Runtime.win-arm	>=3.1.0, 3.1.27	3.1.28
Microsoft.AspNetCore.App.Runtime.linux-musl-arm64	>=3.1.0, 3.1.27	3.1.28
Microsoft.AspNetCore.App.Runtime.linux-musl-arm	>=3.1.0, 3.1.27	3.1.28

<a name=".NET 6"></a>.NET 6

Package name	Affected version	Patched version
System.Security.Cryptography.Xml	>=5.0.0, 6.0.0	6.0.1
Microsoft.AspNetCore.App.Runtime.win-x64	>=6.0.0, 6.0.7	6.0.8
Microsoft.AspNetCore.App.Runtime.linux-x64	>=6.0.0, 6.0.7	6.0.8
Microsoft.AspNetCore.App.Runtime.win-x86	>=6.0.0, 6.0.7	6.0.8
Microsoft.AspNetCore.App.Runtime.osx-x64	>=6.0.0, 6.0.7	6.0.8
Microsoft.AspNetCore.App.Runtime.linux-musl-x64	>=6.0.0, 6.0.7	6.0.8
Microsoft.AspNetCore.App.Runtime.linux-arm64	>=6.0.0, 6.0.7	6.0.8
Microsoft.AspNetCore.App.Runtime.linux-arm	>=6.0.0, 6.0.7	6.0.8
Microsoft.AspNetCore.App.Runtime.win-arm64	>=6.0.0, 6.0.7	6.0.8
Microsoft.AspNetCore.App.Runtime.win-arm	>=6.0.0, 6.0.7	6.0.8
Microsoft.AspNetCore.App.Runtime.osx-arm64	>=6.0.0, 6.0.7	6.0.8
Microsoft.AspNetCore.App.Runtime.linux-musl-arm64	>=6.0.0, 6.0.7	6.0.8
Microsoft.AspNetCore.App.Runtime.linux-musl-arm	>=6.0.0, 6.0.7	6.0.8

Patches

If you're using .NET 6.0, you should download and install Runtime 6.0.8 or SDK 6.0.108 (for Visual Studio 2022 v17.1) from https://dotnet.microsoft.com/download/dotnet-core/6.0.
If you're using .NET Core 3.1, you should download and install Runtime 3.1.28 (for Visual Studio 2019 v16.9) from https://dotnet.microsoft.com/download/dotnet-core/3.1.

Other

Announcement for this issue can be found at https://github.com/dotnet/announcements/issues/232 An Issue for this can be found at https://github.com/dotnet/aspnetcore/issues/43166 MSRC details for this can be found at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-34716

NVD description

.NET Spoofing Vulnerability

References

dotnet/aspnetcore security advisory · WEB
nvd.nist.gov/vuln/detail/CVE-2022-34716 · ADVISORY
dotnet/announcements · WEB
dotnet/aspnetcore · WEB
msrc.microsoft.com/update-guide/vulnerability/CVE-2022-34716 · WEB
portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-34716 · WEB

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